Heating or cooling and humidifying system.



B. IVIACFADDEN. HEATING 0R cooUNG A ND HUMIDIFYING SYSTEM.

' APPLICATION FILED APR. 19. 19|?. 1,26L047.

Patented Apr. 2, 1918.

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BEBNARB MACFADDEN, OF NEW YORK, N. Y.

specification of Letters Patent. d Patented Apr. 2, 1916.

Application led April 19, 1917. Serial No. 163,308.

To all whom t may concern.'

Be it known that I, BERNARR MAGFADDEN, a citizen of the United States, residin in New York city, in the county of New ork and State of New York, have invented certain new and useful Improvementsin Heating or Cooling and Humidifying Systems, of which the following is a specification.

This invention relates to plants for heating or cooling, Ventilating and humidifying the air of rooms, buildings, and the like, and has for its object to provide a unitary plant of this kind which can be at will adapted for either heating or cooling.

Another object is to provide a plant of this kind which is well adapted to be constructed in sizes from the smallest to the largest, and which will be very economical in operation for an size.

Another-object o the invention is to provide an improved means for supplying a forced draft to the heating furnace.

Another object is to provide convenient means for recirculating and recooling or reheating the air.

Another object is to provide automatic means for controlling the supply of water used for the humidifying process.

Another object is to provide suitable means for adapting a plantv of the above kind for very quick heating.

Another object is to provide a simple plant of the above kind adapted for use with any kind of a heater.

These and other objects will appear as the description proceeds.

While herein I have described minute details of my apparatus, the invention is not limitedto these, as the details of construction and combination may be greatly varied without departing from the spirit and scope of the invention as claimed.

In the accompanying'drawing, the figure is a somewhat diagrammatic longitudinal vertical sectional view showing, by way of example, one of many possible embodiments of the invention.

The apparatus as illustrated, comprises a heater 5, a heat exchanging flue 6, a heat exchanging and humiditying cabinet and a conduit 8 for conducting the treated air from thc cabinet to the rooms.

The heater 5 comprises a'heater drum 9, provided with a water-jacket space 10. In the lower part of the, heater are disposed ordinary grate bars 11 and beneath them an Y section 20 of the heat exchanging flue is the heat exchanging and humidifying cabinet 7 which may be constructed of galvanized sheet iron or other suitable material, and is fed with air through the inlet conduit 21 either directly from the outside or by way of the recirculation conduit 22 leading, for instance, from the rooms fed from the conduit 8. The cabinet 7 may be supplied with air either wholly or partly from either the `outside or from the rooms, depending upon the position of the dampers 24 and 25 in the conduits 21 and 22 respectively. When necessary or desirable, air may be forced through the cabinet 7 by means of the fan 25 disposed in the inlet conduit and driven by any suitable motor 26.

When the apparatus is used for heating in its normal capacity, water from the, hot water-jacket space 10 passes upwardly from the pipe 28 into the heat-exchanging coils 29 disposed in the sections of the heat-exchanging flue 6, and passes thence through the horizontal pipe 30 disposed in the bottom of the cabinet 7 and then through' the heating or cooling coils 31 disposed near the inlet end of the cabinet 7. From the coils 31 the water passes back down through the return pipe 32 to the lower part of the water-jacket space 10, thus completing the circuit of the water. 1t ma be noticed that, in the circuit just descri ed, the up-going water must always be warmer than the down-flowing water, thus insuring a dependable flow in said circuit. v

Instead of the heater 9 any ordinary heater may be used. If this heater has not a water-jacket, the pipes 28 and 32 may be joined together by means of the valved connection 33 to complete the water circuit.

It is desirable that the air thus heated be properly humidiied; and to this end I have provided a vertical pipe 34 leading up from.

the horizontal pipeandvfeeding a branch pipe 35 provided with a horizontal, perfohumi iying the air passing through the cabinet.

The lower part of the cabinet 7 forms a Shallow tank for receiving the drip from the perforated pipe 36, and this drip continues until the float 39 1s raised a suiicient distance to cause the valve 40 to close off the access of water to the pipe 35 and the perforated portion 36. But when a part of the water in the lower part of the'cabinet becomes evaporated, the valve- 40 will again open and feed water upon the felts 37 until the float 39l is again raised and the valve 40 again closed, thus automatically insuring sufficient waterforsupplying humidity to the air.

e When the operation thus described takes place the valves 41, 42, 43, 44, and 45 are closed and the valves v46, 47, 48 and 49 are opened. In order to compensate for the loss o water in the system due to evaporation when the above operation takes place, water may be supplied through a supply pipe 50, in whichcase the valve 51 is then slightly opened. Alternately, water may be introduced from time to time through the pipe 50, the valve 51, the pipe 30 and the pipe 34 to the expansion tank not shown, to which ,the pipe 34 leads, in which case the valve -52 is left open and the water removed by evaporation is replaced into the system from the expansion tank. When the expansion tank is not used the valve 52 may be closed.

-When it is desired to use the plant only to a part of its capacity the water need not be passed through the coils 31. In this case the valves 41, 42, 43, and 46 are opened,l

and the valves 44, 45,. 47, and 48 are closed;

and the water passes upwardly through the pipe 28, the coils 29 and through the valve 42, and is discharged into the lower part of the cabinet, where it ives up he'at and moisture to the air and t en passes out through the valve 41, the pipe 32 to the lower part of the water-jacket space' 10. In order to replace the water lost by evaporation, the Avalves 49 and 5l `are left partly open and Water passes up through the pipe 50, the

.pipe 31 through the lower part of the pipe 35, throu h the valve 43 and the nozzle pipe 53, and t e spray nozzles 54 and drips into vthe cabinet. Since the evaporation of the water is gradual, the valve `40 never opens very wide and the water passingthrough the spray nozzles 54 is not in spray form but merely trickles over the edge of thenozzle.

of the cabinet. This rod The pressure in the pipe 35 is not suliicient to force the waterup to the horizontal posi- When it is not desired to use the forced draft, this opening is closed by means of the delectingdoor 62 fixed on the rod 64, ro

tatablein the bearings 65, fixed to the wall 64 continues upwardly and is provided with'a manipulating crank 66 by which the deflected door may be opened to any desired angle. When this door is opened outwardly, for example to an angle of 400, it serves to deflect the air passing through the cabinet'into the draftconduit 60. By adjusting this angle the amount of air permitted to pass through the conduit 60 is controlled.

When the plant is started and it is desirable to heat up quick] the water in the bottom of the cabinet, t e hinged damper 67, between the lower and middle sections of the heat-exchanging flue 6 is opened, thus permitting the products of combustion to pass directly from the stack 18 to the upper section 2O of said flue and thus heat the water in the lower part of the cabinet.

When it is desired to use this plant for cooling a buildin or room, the fan 25 is started and the va ves 44, 48, 43, and 51 are opened, and the valves 41, 42, 46, and 47 are closed. Water from the city supply then passes through the 51, the pipe 68, the valve 44, through the pipe 32, the coils 31, the valve 48, the lower part of the pipe 34, the valve 43 to the spray nozzles 54, the valve 40 being fully opened, and the float 39 put out of action. The cold water from the pipe 50 therefore cools the coils 31 and the a1r passing thereover, and then is sprayed from the nozzles 54 into the cabinet thus further cooling the air .and

filling the same with mist from the spray.'

4 cooled may be drawn in through either the conduit 21 or lthe conduit 22 or partly through both. The overflow from the lower part ofthe cabinet passes/oli' through the overlow pipe 69. i r

1f it is desired to artificially cool the water is closed and the valves 45 opened whereby the water passes through the cooling coils pipe 50, the-'valveI passing in through thepipe 50, the valve 51 asentar 70 of the ice box 7i and is cooled by the inelting of the ice 72 in said box, thus edecting a lower cooling of the air passing through the cabinet l claim as my invention:

l. ln a device of the character described, the combination of a heater, a heat exchanging due leading from the heater; a cabinet resting upon said Elue; and means for introducing water into the cabinet.

2. ln ,a device of the character described, the combination of a heater; a meandering heat exchanging flue leading from the heater and having a substantially horizontal upper section; a cabinet resting upon said upper section; and means for introducing water into the cabinet.

3. In a device of the character described, the combination of a heater; a heat eXchanging flue leading from the heater; a cabinet resting upon the flue and adapted to receive heat therefrom; heating coils in said iue and communicating with said cabinet; means for passing air through said cabinet; andnieans for introducing water into the cabinet.

4. In a device of the character described, the combination of a heater; a meandering yheat exchanging flue receiving hot products of combustion therefrom and comprising superposed sections; .a cabinet upon the upper section; heat exchanging coils in the flue and communicating with the cabinet; means for at will causing said products of combustion `to pass through all of said sections or directly from the heater to the upper section; and means for introducing" air from. the cabinet to feed the draft of the water into the cabinet.

5. ln a device of the character described; the combination of .a heater having a waterjaclret; a heat exchanging flue receiving products of combustionfrom the heater; a cabinet resting upon said flue; heat exchanging coils in said cabinet; lheat exchanging coils in said ue and communicating with said cabinet and said water jacket; and means for introducing water into the cabinet.

6. ln a device of the character described, the combination of a heater having a waterjacket; a heat exchanging flue receiving products of combustion from the heater; a cabinet resting upon' said due; heat eX- changing coils in said cabinet; heat eX- changing coils in said flue and communicating with said water-jacket and said coils in the cabinet; and means for introducing water from said coils into the cabinet.

7. In a device of the character described, the combination of a heater having a waterjacket; a 'heat exchanging Hue receiving products of combustion from the heater; a

cabinet receivingheat from said 'luegheat exchanging coils in said cabinet; heat exchanging coils in said due communicating with said water jacket and said coils in the cabinet; ineansfor passing a draft of air through the cabinet; and means for intro# ducing water from said coils into the cabinet.

8. In a device of the character described, the combination of a heater; a heat exchanging iue leading from the heater; a cabinet resting upon said due; means for passing a current of air through said cabinet; means for conducting air from said cabinet to rooms to be heated; a branching conduit leading tc said cabinet and adapted to receive air either from said rooms or from the outside; and means for introducing water into the cabinet.

9. ina device of the character described, the combination of a heater; a cabinet adapted to receive heat from the heater; means 'for passing a current of air through said cabinet; means for conducting air from said cabinet to feed the draft of the heater;

Aand means for introducing water into the cabinet.

l0. ln a device of the character described, the combination of .a heater having an ash pit; a' flue-leading from the heater; a cabinet receiving heat from said Hue; means for forcinI air to pass through said cabinet; a dra conduit connecting the cabinet with the ash pit; and means for introducin water into the cabinet.

l1. ln ,a device of the character described, the combination of a heater; 'a cabinet adapted to receive heatfrom the heater; means for passing a current of air through the cabinet; a conduit adapted to conduct heater; 1.a dedector for deflecting air into said conduit; and means for introducing heated water into the cabinet.

12. lin a device ofthe character described, the combination of a heater having a waterjacket; a cabinet adapted to holdvwater in the lower part thereof; pipes connecting the lower part of the cabinet with said waterjacket whereby a circulation of ywater may be established; and means for causing a. current of air to pass through said cabinet.

13. ln a device of the character described,- the combination of a heater having a waterjacket; a cabinet adapted tohold water in its lower partpipes connecting lthe lower part of the cabinet with the upper and lower parts of said water-jacket respectively; means for passing a current of air through said cabinet, whereby the water is evaporatedfrom the cabinet; andmeans for automatically 'replenishing the water inA the cabinet. i

14:. ln a device of the character described; the combination of a heater having a water jacket; a cabinet adapted to hold water in its lower part; pipes connecting the lower part of the cabinet with the upper and lower lll@ parts of the water jacket respectively whereby a circuit is formed; a pipe for supplying water to the cabinet; a valve in said pipe; and la iioat adapted to oat in the Water of the cabinet and operatively connected to said valve.

15. In a device of the character described,

u the combination of a heater adapted to heat posed across said cabinet ;,means for passing a1r through said cabinets and in contact with said felts; and means for automatically j-ulpplying water from the heater to said e ts.

17. ln a device of the character described, the combination of a cabinet; a plurality of coils in said cabinet; means for conducting cold water to said coils; a nozzle connected to said coils and adapted to spray the water into the cabinet; and means for passing a current of air through said cabinet.

18.y ln a device of the character described, the combination of a cabinet; a plurality of coils in said cabinet; means Jfor conducting cold water to said coils; a vnozzle connected to said coils and adapted to spray the water into the cabinet; means for passing a current of air through said cabinet; and an overflow pipe leading from said cabinet.

19. lin a device of the character described, the combination of a heater; acabinet adapted to hold water in the lower `part thereof; coils in said cabinet; a cold water supply; and means for at will conducting hot water from the heater to said coils, or hot water from the heater to the lower part of the cabinet, or cold water from said supply to said coils.

20.. lin a device oi the character described, the combination of a heater; a cabinet adaptedl to hold water in the lower part thereof; coils in said cabinet; a cold water supply; means for at will conducting hot water from the heater to said coils, or hot manoir l ywater from the heater to the lower part of the cabinet, or cold water from said supply to said coils; and means for at will passing a current of air through the cabinet.

21. ln a device of the character described, the combination of a hot water heater having a hot water jacket; a Hue receiving the products of combustion from said heater; a cabinet resting upon said ue; an inlet conduit conducting air to said cabinet; a fan the inlet conduit; an outlet conduit for conducting air away from the cabinet; a plurality of heating or cooling coils near the inlet' end of the cabinet; a plurality of heat exchanging coils in said flue and connected in a series; a pipe connecting the lower end of said series to the upper part of said water jacket; a connecting pipe connecting the upper end of said series to one Iend of said heating and cooling coils; a

return pipe connecting the other end of said heating or cooling coils with the lower part of said water jacket; means communicating with said connecting pipe for discharging water into the lower part of said cabinet; a pipe i'or supplying cold water to said connecting pipes; felts in said cabinet; a nozzle in said cabinet and adapted to spray water upon said felts; pipes connecting said nozzle with saidI connecting pipe;`valves in said pipes; a oat connected to 'one oi' said valves; an overflow pipe leading vfrom the lower'part of the cabinet; means for .discharging water from said return pipe into the lower partof said cabinet; a pipe connecting said supply pipe to said return pipe; and valves for at will directing water to pass in a circuit from said water jacket through the coils in said Hue through the heating or cooling coils and back to the water jacket, or through said water jacket and the coils in said flue to the lower part l of said cabinet and back to the water jacket, or from the cold water supply pipe through said coils in the cabinet, through said nozi zles, onto said felts and out at the overow 1 e; P p BERNARR MAGFADDEN.

Witnesses: y I

DOROTHY M. Davon, Lan WALKER. 

